25406992

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{122149}}^1$

素因数の和:122170

約数の個数: 20

約数和(自身を含む): 53013100

約数和(自身を除く): 27606108

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 122149, 244298, 488596, 977192, 1587937, 1954384, 3175874, 6351748, 12703496, 25406992]

約数ペア:

[(1, 25406992), (2, 12703496), (4, 6351748), (8, 3175874), (13, 1954384), (16, 1587937), (26, 977192), (52, 488596), (104, 244298), (208, 122149)]